My sound is definitely a rotating-metal-on-metal sound, rather than a creak of the suspension.

Although since I got new shoes on Saturday (Goodyear Wranglers w/ "Silent Armor"), I have not heard the sound again. Hmm... although the new tires should have nothing to do with the sound, I have noticed that the sidewalls are noticeably stiffer on the new tires, enhancing cornering performance, particularlay on turn-in.

Why do I mention this? Because it is at least a possibility that the new tires are keeping the wheel aligned better, reducing the strain on the suspension and axle, thereby eliminating the cause of the noise. That theory sounds pretty thin, I guess, but it would explain things.

Of course, as soon as I post this, it's going to make the sound again. :-)